IKEA · Tables & Desks
How to assemble IKEA MITTZON Desk
Step-by-step IKEA MITTZON Desk assembly: 20 illustrated steps, an animated video, the hardware list and the tools you need — following the official instructions (AA-2382925-8).
- 20 illustrated steps
- 21 steps in the manual
- 3:02 video
- 140×80×75 cm

What you need
Tools
- Flat-head screwdriver
- Phillips screwdriver
- Allen key (included)
- Spirit level
You’ll need: flat-head and Phillips screwdrivers, a spirit level and a knife. The crank key (10067513) is in the box.
Hardware in the box
| Part no. (as printed in the manual) | Qty |
|---|---|
| 100272 | 4× |
| 101083 | 30× |
| 10106860 | 4× |
| 104875 | 16× |
| 112762 | 4× |
| 10100036 | 2× |
| 10100047 | 2× |
| 10095882 | 4× |
Step-by-step assembly

Step 1
Slide the three beam sections together.
For the 140 cm (55 1/8") desktop use the 1400 mm position — see the box under step 1.

Step 2
Join the sections with 8 screws (101083) and 8 nuts (104875).
Phillips screwdriver.

Step 3
Screw the 4 adjustable feet (112762) into the foot rails.
Lay the foot rails bottom side up.

Step 4
Bolt each foot rail to the end of a leg: 2 bolts (100272).
4 bolts in total — tighten them with the crank key 10067513.

Step 5 · manual step 4
Stand both legs up on their foot rails.

Step 6 · manual step 5
Hold the beam up and slide the legs onto its ends.
Two people are needed.

Step 7 · manual step 6
Fix the beam in the leg brackets: 4 screws (101083), 4 nuts (104875).
2 at each leg — Phillips screwdriver.

Step 8 · manual step 7
Lay the 2 arms across the tops of the legs.
Long end of each arm to the front.

Step 9 · manual step 8
Screw each arm down: 4 screws (101083) and 4 nuts (104875).
2 per arm, nuts underneath. The 80 cm desktop needs this arm direction — see the box in step 8.

Step 10 · manual step 8
Lay the desktop face-down on a rug and turn the frame over onto it.
Two people are needed.

Step 11 · manual step 9
Clip in 2 hooks (10100036) and 2 hooks (10100047).
See the manual, step 9, for their positions.

Step 12 · manual step 10
Screw the arms to the desktop with 8 screws (101083).
4 per arm.

Step 13 · manual step 11–12
Fit the hatch cover, then screw the strip (130852) beside it.
Screw 108172 and washer 100825 come with the desktop.

Step 14 · manual step 13
Slide the 2 rails in under the beam.

Step 15 · manual step 14
Fix the rails with 6 screws (101083).
3 per rail.

Step 16 · manual step 15–16
Join the 2 tray halves and push the tray into the slot.

Step 17
Clip the 4 hooks (10095882) into the slots beside the tray.

Step 18 · manual step 17
Turn the desk over onto its feet.
Two people are needed.

Step 19 · manual step 18–20
Hook the 3 cable sheets on at the back, then fold them up.
Sheets 10103527.

Step 20 · manual step 21
Fix the cable sheets with 4 push rivets (10106860).
Tips & safety
- Changing the height? Undo the 2 bolts in each leg with the crank key, move the leg and refit them — see the info page after step 21.
- Level the desk with the adjustable feet. Turn them in or out and check with a spirit level.
- The tray holds a KOPPLA power strip. Sold separately — see the last pages of the manual.
Official instructions
This guide follows IKEA’s official assembly instructions (AA-2382925-8). Keep the printed manual to hand — if anything differs, the manual is right.



